Add credhub cli to deploy-light docker image
Add credhub cli to deploy-light docker image

[#166907587](https://www.pivotaltracker.com/story/show/166907587)

Co-authored-by: Clay Kauzlaric <b161dd152ba17987305414195d30c2af856d229f@pivotal.io>

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release